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Use built-in pagination instead of paginator - #115

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ian/built-in-paginate
Oct 22, 2026
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ianmacartney merged 2 commits into
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ian/built-in-paginate

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@ianmacartney ianmacartney commented Oct 15, 2026 •

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Replaces paginator from convex-helpers/server/pagination with built-in ctx.db.query(...).paginate(...).

  • src/component/namespaces.ts: namespaces.list
  • src/component/chunks.ts: chunks.list (used by the client's listChunks)

Both are single paginated queries per function; return shapes unchanged. entries.list and namespaces.listNamespaceVersions use convex-helpers stream/mergedStream and are unchanged. convex-helpers remains a dependency.

Notes:

  • An app query calling chunks.list / listChunks or namespaces.list after it already paginated, or calling them twice, will error. Calls from mutations are not limited.
  • Cursor format changes from JSON arrays to opaque strings. Cursors aren't persisted by the component; client-held cursors from before the upgrade won't be valid.
  • Depends on the upcoming Convex release that lets components call .paginate(). A query may paginate once, counting nested component calls; mutations may paginate multiple times.
  • convex-test devDependency is 0.0.64, which enforces the same rule.

Switch namespaces.list and chunks.list to ctx.db.query(...).paginate().
Temporarily install convex-test from pkg.pr.new (#163), which enforces
the one-paginate-per-transaction rule for components.
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npm i https://pkg.pr.new/convex/rag/@convex-dev/rag@115

commit: 2ce0fde

@ianmacartney
ianmacartney marked this pull request as ready for review October 15, 2026 04:36
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Hold until 10/22.

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No actionable comments were generated in the recent review. 🎉

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📝 Walkthrough

The chunks and namespaces list functions now start pagination directly from database queries instead of the paginator helper. Their existing indexes, ordering, pagination options, and page mapping remain in place. The convex-test development dependency changes from version 0.0.62 to version 0.0.64.

Priority: ⬇️ Low

Change: Refactor

Merge Risk: 🟡 Moderate · up to 2ce0f

Confirm deployed Convex support for component pagination before merging, or these list operations may fail at runtime.

Pre-merge checks: Passed 4
Check name Status Explanation
Title check Passed The title clearly and concisely describes the main change: replacing the custom paginator with built-in pagination.
Description check Passed The description directly explains the pagination changes, affected functions, unchanged return shapes, dependency impact, cursor changes, and transaction constraints.
Linked Issues check Passed Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check Passed Check skipped because no linked issues were found for this pull request.
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Actionable comments posted: 1


  • 🪄 Fix comments: Fix CodeRabbit comments on this PR
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Inline comments:
Review comments at @src/component/chunks.ts:
- Line 476: In the pagination handlers, replace direct `ctx.db` pagination with
the `paginator` helper from `convex-helpers/server/pagination`, passing the
database and schema. Apply this change to the chunk handler in
`src/component/chunks.ts` at lines 476–476 and the namespace handler in
`src/component/namespaces.ts` at lines 230–230.

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  • src/component/namespaces.ts

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Comment thread src/component/chunks.ts Resolved
@ianmacartney
ianmacartney merged commit 0fdd357 into main Oct 22, 2026
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@github-actions github-actions Bot mentioned this pull request Nov 10, 2026
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